/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.celeborn.service.deploy.worker.memory;

/**
 * Warp {@link RecyclableBuffer} with a segmentId, it contains no data buffer, only the segmentId,
 * which is used to verify whether the subsequently buffer should be sent.
 */
public class RecyclableSegmentIdBuffer extends RecyclableBuffer {
  private final int segmentId;

  public RecyclableSegmentIdBuffer(int subpartitionId, int segmentId) {
    super(null, subpartitionId, new BufferRecycler(buf -> {}));
    this.segmentId = segmentId;
  }

  public int getSegmentId() {
    return segmentId;
  }

  @Override
  public boolean isDataBuffer() {
    return false;
  }
}
